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authorKrzysztof Kozlowski <k.kozlowski@samsung.com>2016-06-28 13:25:04 +0200
committerStephen Boyd <sboyd@codeaurora.org>2016-06-28 17:11:31 -0700
commite81b87d22a8fed6bac24197972c9c394a2b92b5d (patch)
treedab122ac3c23029749c581ce9599d4525065a7f6 /include
parent1a695a905c18548062509178b98bc91e67510864 (diff)
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clk: Provide notifier stubs when !COMMON_CLK
The clk notifier symbols are hidden by COMMON_CLK. However on some platforms HAVE_CLK might be set while COMMON_CLK not which leads to compile test build errors like: $ make.cross ARCH=sh drivers/devfreq/tegra-devfreq.c: In function 'tegra_actmon_rate_notify_cb': >> drivers/devfreq/tegra-devfreq.c:391:16: error: 'POST_RATE_CHANGE' undeclared (first use in this function) if (action != POST_RATE_CHANGE) ^ drivers/devfreq/tegra-devfreq.c: In function 'tegra_devfreq_probe': >> drivers/devfreq/tegra-devfreq.c:654:8: error: implicit declaration of function 'clk_notifier_register' [-Werror=implicit-function-declaration] err = clk_notifier_register(tegra->emc_clock, &tegra->rate_change_nb); ^ Export the macros and data type declarations outside of COMMON_CLK ifdef and provide stubs to fix the compile testing. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Tested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/clk.h16
1 files changed, 14 insertions, 2 deletions
diff --git a/include/linux/clk.h b/include/linux/clk.h
index 0df4a51e1a78..a89ba4e7af7a 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -20,8 +20,6 @@ struct device;
struct clk;
-#ifdef CONFIG_COMMON_CLK
-
/**
* DOC: clk notifier callback types
*
@@ -78,6 +76,8 @@ struct clk_notifier_data {
unsigned long new_rate;
};
+#ifdef CONFIG_COMMON_CLK
+
/**
* clk_notifier_register: register a clock rate-change notifier callback
* @clk: clock whose rate we are interested in
@@ -140,6 +140,18 @@ bool clk_is_match(const struct clk *p, const struct clk *q);
#else
+static inline int clk_notifier_register(struct clk *clk,
+ struct notifier_block *nb)
+{
+ return -ENOTSUPP;
+}
+
+static inline int clk_notifier_unregister(struct clk *clk,
+ struct notifier_block *nb)
+{
+ return -ENOTSUPP;
+}
+
static inline long clk_get_accuracy(struct clk *clk)
{
return -ENOTSUPP;